Trezor Bridge

The essential communication layer between your Trezor hardware wallet and web browsers. Secure, reliable, and seamlessly integrated for optimal cryptocurrency management experience.

Latest Version: 2.0.31 • Released November 2024 • Supports all Trezor models

Why Trezor Bridge?

Bridge provides the secure foundation for hardware wallet communication, replacing outdated browser plugins with modern, secure technology.

Enhanced Security

End-to-end encryption ensures your private keys never leave your Trezor device. All communication is cryptographically secured and verified, maintaining the highest security standards for cryptocurrency management.

Lightning Fast

Optimized performance ensures rapid transaction signing and account synchronization. Bridge minimizes latency while maintaining security, providing smooth user experience for all your cryptocurrency operations.

Universal Compatibility

Works seamlessly across all major operating systems and browsers. Bridge adapts to your setup, ensuring consistent functionality whether you use Windows, macOS, or Linux with any modern browser.

Download Trezor Bridge

Choose the appropriate version for your operating system. All downloads are digitally signed and verified.

Windows

Windows 10 and 11 (64-bit)

Version 2.0.31 • 15.2 MB

macOS

macOS 10.15 and later

Version 2.0.31 • 12.8 MB

Linux

Ubuntu 18.04+, Debian 10+, RHEL 8+

Version 2.0.31 • 11.4 MB

System Requirements

Windows

  • • Windows 10 (64-bit) or later
  • • 100 MB free disk space
  • • USB port or USB-C port
  • • Internet connection

macOS

  • • macOS 10.15 Catalina or later
  • • 100 MB free disk space
  • • USB port or USB-C port
  • • Internet connection

Linux

  • • Ubuntu 18.04+ or equivalent
  • • 100 MB free disk space
  • • USB port or USB-C port
  • • libusb support

Documentation

Comprehensive guides and technical documentation for Trezor Bridge implementation and usage.

Compatible Wallets

🔒

Trezor One

🛡️

Trezor Model T

Trezor Safe 3

🔐

Trezor Safe 5

Browser Support

Chrome

Version 89+

Firefox

Version 88+

Safari

Version 14+

Edge

Version 89+

Opera

Version 75+

Brave

Version 1.24+

API Reference

Bridge API

REST API documentation

WebSocket Protocol

Real-time communication

Error Codes

Complete error reference

Integration Guide

Developer implementation

Technical Specifications

Communication Protocol

  • • HTTP/HTTPS local server (port 21325)
  • • WebSocket support for real-time updates
  • • JSON-RPC 2.0 protocol implementation
  • • TLS encryption for all communications
  • • Certificate pinning for enhanced security

Security Features

  • • Ed25519 signature verification
  • • AES-256 encryption for data transport
  • • HMAC-SHA256 message authentication
  • • Secure boot and code signing
  • • Memory protection mechanisms

Performance Metrics

  • • <50ms response time typical
  • • <10MB memory footprint
  • • Support for 10+ concurrent connections
  • • 99.9% uptime reliability
  • • Auto-recovery from connection failures

Installation Guide

Step-by-step instructions for installing Trezor Bridge on your operating system.

Verify Installation

Check Bridge Status

Open your browser and navigate to the Bridge status page to confirm proper installation.

http://localhost:21325

Test Device Connection

Connect your Trezor device and verify it appears in the Bridge status interface.

Device Connected Successfully

Troubleshooting Guide

Common issues and their solutions to keep your Trezor Bridge running smoothly.

Bridge Not Responding

Bridge appears offline or web applications cannot connect to your Trezor device.

• Restart Bridge service from system tray

• Check firewall and antivirus settings

• Verify port 21325 is not blocked

• Reinstall Bridge if issues persist

Device Not Detected

Your Trezor device is connected but not recognized by Bridge.

• Try different USB port or cable

• Update device firmware if available

• Install latest device drivers

• Restart device and computer

Browser Compatibility

Web applications fail to communicate with Bridge in certain browsers.

• Clear browser cache and cookies

• Disable ad blockers temporarily

• Allow localhost connections

• Update browser to latest version

Quick Diagnostic Steps

Verify Bridge is running in system tray
Check device connection status
Test localhost:21325 accessibility
Confirm no conflicting software

Advanced Solutions

Linux Permission Issues

sudo usermod -a -G plugdev $USER

Windows Service Reset

sc stop "Trezor Bridge" && sc start "Trezor Bridge"

macOS Security Settings

Allow Bridge in System Preferences → Security & Privacy

Performance Optimization

• Close unnecessary browser tabs to reduce memory usage

• Update to latest Bridge version for performance improvements

• Use USB 3.0 ports for faster communication when available

• Disable power saving modes that might affect USB connectivity

Frequently Asked Questions

Find answers to common questions about Trezor Bridge installation, usage, and troubleshooting.

Get Support

Need additional help? Contact our support team or explore additional resources.

Official Documentation

Comprehensive technical documentation and API reference guides.

Security Center

Security best practices and vulnerability reporting information.

Version History

Access previous versions and detailed changelog information.

Still Need Help?

Our support team is available to help with any technical issues, installation problems, or questions about Trezor Bridge functionality.